Dominic Thiem after defeating Felix Auger-Aliassime during the fourth round of the US Open. Photograph: AP

Dominic Thiem laid down a marker with a crushing win over Felix Auger-Aliassime in the fourth round of the US Open. The Austrian second seed is the h(...)

Australia’s  Alex de Minaur  serves during his fourth-round match against Vasek Pospisil of Canada at the US Open. Photograph: Al Bello/Getty Images

Australian young gun Alex de Minaur tamed Canada’s Vasek Pospisil 7-6 (6) 6-3 6-2 at the US Open on Monday to ease into his first Grand Slam quarter-(...)

Felix Auger-Aliassime taps rackets with Andy Murray after knocking him out of the US Open. Photograph: AP

Building the stamina to consistently survive the rigours of playing five-set matches will top Andy Murray’s agenda as the former US Open champion, wh(...)

Marton Fucsovics and Roger Federer after their four-set clash in  Melbourne. Photograph: Michael Dodge/EPA

Roger Federer survived another uncomfortable evening to reach the quarter-finals of the Australian Open. Having been pushed to the brink by John Mill(...)

Stefanos Tsitsipas: Currently ranked sixth in the world and seeded seven for Wimbledon, the 6ft4in Greek player is as elegant as he is powerful. Photograph:  Adam Pretty/Getty Images

No one was to know it. But when Lleyton Hewitt last yelled an audible obscenity on Centre Court, thumped his chest and screamed ‘Come on Rocky’, only (...)

No more telling your kids to eat more chicken nuggets if you want to run like Usain Bolt . The six-time Olympic gold medallist and fastest man on Eart(...)